transmission technology Function of the drive shaft, main shaft, countershaft and the reverse gear. Interaction of the individual shafts. Shifting of all gears, power distribution. Calculation of the different transmission ratios. description ordernumber 1169 see also: differental gear five-speed transmission assembly model Seven-speed direct shift transmission with wet clutch (VW) Dual-mass flywheel with centrifugal pendulum-type absorber